Upgrade Keys: Windows Anytime

As of 2026, Microsoft no longer sells Windows Anytime Upgrade keys. The online storefront that originally facilitated these purchases was shut down years ago.

Some common issues with WAU keys include: windows anytime upgrade keys

You cannot use a Windows 7 upgrade key on Windows 10 or Windows 11. The product ID formats are completely different. Even if you try to run the old slui activation wizard, it will reject the key as invalid. As of 2026, Microsoft no longer sells Windows

“Success! Your upgrade is starting. Do not turn off your computer.” As of 2026